private void MyWaveFormCallback(int framesDone, int framesTotal, TimeSpan elapsedTime, bool finished)
{
if (finished)
{
_WF.SyncPlayback(_currentTrack.Channel);
// and do pre-calculate the next track position
// in this example we will only use the end-position
long startPos = 0L;
long endPos = 0L;
if (_WF.GetCuePoints(ref startPos, ref endPos, -24.0, -12.0, true))
{
_currentTrack.NextTrackPos = endPos;
// if there is already a sync set, remove it first
if (_currentTrack.NextTrackSync != 0)
{
BassMix.BASS_Mixer_ChannelRemoveSync(_currentTrack.Channel, _currentTrack.NextTrackSync);
}
// set the next track sync automatically
_currentTrack.NextTrackSync = BassMix.BASS_Mixer_ChannelSetSync(_currentTrack.Channel, BASSSync.BASS_SYNC_POS | BASSSync.BASS_SYNC_MIXTIME, _currentTrack.NextTrackPos, _currentTrack.TrackSync, new IntPtr(1));
_WF.AddMarker("Next", _currentTrack.NextTrackPos);
}
}
// will be called during rendering...
DrawWave();
}
private void btnPlay_Click(object sender, EventArgs e)
{
updateTimer.Stop();
Bass.BASS_StreamFree(stream);
if (filename != string.Empty)
{
stream = Bass.BASS_StreamCreateFile(filename, 0, 0, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_PRESCAN);
if (stream != 0)
{
mslength = (int)Bass.BASS_ChannelSeconds2Bytes(stream, 0.03);
deviceLatencyBytes = (int)Bass.BASS_ChannelSeconds2Bytes(stream, deviceLatencyMS / 1000.0);
myDSPAddr = new DSPPROC(MyDSPGain);
Bass.BASS_ChannelSetDSP(stream, myDSPAddr, IntPtr.Zero, 2);
if (WF2 != null && WF2.IsRendered)
{
WF2.SyncPlayback(stream);
long cuein = WF2.GetMarker("CUE");
long cueout = WF2.GetMarker("END");
int cueinFrame = WF2.Position2Frames(cuein);
int cueoutFrame = WF2.Position2Frames(cueout);
if (cuein >= 0)
{
Bass.BASS_ChannelSetPosition(stream, cuein);
}
if (cueout >= 0)
{
Bass.BASS_ChannelRemoveSync(stream, syncer);
syncer = Bass.BASS_ChannelSetSync(stream, BASSSync.BASS_SYNC_POS, cueout, sync, IntPtr.Zero);
}
}
}
if (stream != 0 && Bass.BASS_ChannelPlay(stream, false))
{
textBox1.Text = "";
updateTimer.Start();
BASS_CHANNELINFO info = new BASS_CHANNELINFO();
Bass.BASS_ChannelGetInfo(stream, info);
textBox1.Text += "Info: " + info.ToString() + Environment.NewLine;
TAG_INFO tagInfo = new TAG_INFO();
if (BassTags.BASS_TAG_GetFromFile(stream, tagInfo))
{
textBoxAlbum.Text = tagInfo.album;
textBoxArtist.Text = tagInfo.artist;
textBoxTitle.Text = tagInfo.title;
textBoxComment.Text = tagInfo.comment;
textBoxGenre.Text = tagInfo.genre;
textBoxYear.Text = tagInfo.year;
textBoxTrack.Text = tagInfo.track;
}
btnStop.Enabled = true;
btnPlay.Enabled = false;
}
}
}